Display device integrated with touch panel

Abstract

Disclosed is a display device integrated with a touch screen in which resistance is reduced by forming a narrow bezel or increasing a routing margin through structure change of the outer portion of a sensing area in a structure in which a touch sensor is applied to a display panel, the display device includes a display panel including a display active area, a touch screen layer located on the surface of the display panel, including a sensing area, and connection electrodes and routing lines provided at the outer portion of the sensing area, wherein the connection electrodes and routing lines are formed of a metal having reflectivity of 10% or less, and a cover glass located above the touch screen layer, having an lower surface coated with a black printing material covering the outer portion of the sensing area.

What is claimed is: 
     
       1. A display device integrated with a touch screen, comprising:
 a display panel comprising a display active area, wherein the display panel includes first and second substrates opposite each other and a light emitting material or an optical isomer interposed between the first and second substrates; 
 a touch screen layer located on the surface of the display panel, the touch screen layer comprising a sensing area separated outwardly from the display active area by 1 mm or less, and connection electrodes and routing lines at the outer portion of the sensing area, wherein the connection electrodes and the routing lines are formed of a metal having reflectivity of 10% or less; 
 a cover glass located above the touch screen layer, having a lower surface coated with a black printing material covering the outer portion of the sensing area; and 
 a black matrix layer is on an inner surface of the second substrate at the outside of the edge of the display active area. 
 
     
     
       2. The display device according to  claim 1 , wherein the connection electrodes and the routing lines are formed of a stack structure comprising the metal having reflectivity of 10% or less and a first transparent electrode. 
     
     
       3. The display device according to  claim 2 , wherein the metal having reflectivity of 10% or less is located as the upper portion of the stack structure forming the connection electrodes and the routing lines. 
     
     
       4. The display device according to  claim 1 , wherein the metal having reflectivity of 10% or less is CrOx. 
     
     
       5. The display device according to  claim 1 , further comprising a guide ring line formed on the touch screen layer to surround the outermost portion of the display panel. 
     
     
       6. The display device according to  claim 1 , wherein the touch screen layer is directly formed on the surface of the display panel. 
     
     
       7. The display device according to  claim 1 , further comprising a sensor substrate located on the upper surface of the display panel, wherein the touch screen layer is formed on the sensor substrate. 
     
     
       8. The display device according to  claim 7 , wherein the sensor substrate is formed of glass or a film. 
     
     
       9. The display device according to  claim 2 , wherein the touch screen layer further comprises, in the sensing area:
 first electrodes comprising first electrode patterns separated from each other in one direction and first connection patterns connecting the separated first electrode patterns in a different layer from the first electrode patterns; and 
 second electrodes comprising (i) second electrode patterns disposed in a direction intersecting with the first electrode patterns and (ii) second connection patterns formed integrally with the second electrode patterns and intersecting with the first connection patterns. 
 
     
     
       10. The display device according to  claim 9 , wherein the first electrode patterns, the second electrode patterns and the second connection patterns are formed of a second transparent electrode of the same layer. 
     
     
       11. The display device according to  claim 2 , wherein the first transparent electrode is formed in the same layer as the first connection patterns. 
     
     
       12. The display device according to  claim 1 , wherein the black printing material is located at the outside of the display active area. 
     
     
       13. The display device according to  claim 1 , further comprising a polarizing plate between the touch screen layer and the cover glass. 
     
     
       14. A display device integrated with a touch screen, comprising:
 a display panel comprising a display active area, wherein the display panel includes first and second substrates opposite each other and a light emitting material or an optical isomer interposed between the first and second substrates; 
 a touch screen layer located on the surface of the display panel, the touch screen layer comprising a sensing area separated outwardly from the display active area by 1 mm or less; 
 a cover glass located above the touch screen layer, having an lower surface coated with a black printing material covering the outer portion of the sensing area; and 
 a black matrix layer is on an inner surface of the second substrate at the outside of the edge of the display active area. 
 
     
     
       15. The display device according to  claim 14 , wherein the sensing area directly coincides with the display active area. 
     
     
       16. The display device according to  claim 14 , wherein a black dummy pattern covering the outer portion of the sensing area is located on the touch screen layer. 
     
     
       17. The display device according to  claim 16 , wherein the black matrix layer and the black dummy pattern are formed of the same material. 
     
     
       18. The display device according to  claim 16 , wherein the black matrix layer and the black dummy pattern have the same width. 
     
     
       19. The display device according to  claim 16 , further comprising a polarizing plate between the touch screen layer and the cover glass. 
     
     
       20. The display device according to  claim 19 , wherein the black dummy pattern is located on a surface of the polarizing plate opposite the touch screen layer. 
     
     
       21. The display device according to  claim 14 , further comprising a guide ring line on the touch screen layer to surround the outermost portion of the display panel. 
     
     
       22. The display device according to  claim 14 , wherein the touch screen layer is directly formed on the surface of the display panel. 
     
     
       23. The display device according to  claim 14 , further comprising a sensor substrate located on the upper surface of the display panel, wherein the touch screen layer is formed on the sensor substrate. 
     
     
       24. The display device according to  claim 23 , wherein the sensor substrate is formed of glass or a film. 
     
     
       25. The display device according to  claim 14 , wherein the touch screen layer further comprises, in the sensing area:
 first electrodes comprising first electrode patterns separated from each other in one direction and first connection patterns connecting the separated first electrode patterns in a different layer from a layer of the first electrode patterns; and 
 second electrodes comprising (i) second electrode patterns disposed in a direction intersecting with the first electrode patterns and (ii) second connection patterns formed integrally with the second electrode patterns and intersecting with the first connection patterns.